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公司名称:泊头市 卓远机械设备制造有限公司
注册地址:河北省 泊头市交河开发区
传真号码:0317-8031093
联系方式:15369812793 (微信同号)褚连胜
邮政编码:062151
企业邮箱: 1358827475@qq.com
账号开户银行:中国银行泊头支行
账号:100399943203
农行账号:6228481739059615270
Company name: botou zhuoyuan mechanical equipment manufacturing co.,LTD
Registered address: jiaohe development zone, botou city, hebei province
Fax number: 0317-8031093
Contact information: 15369812793 (WeChat with the same number)  liansheng chu
Postcode: 062151
Enterprise email:1358827475@qq.com
Account Opening Bank: Botou Branch of Bank of China
Account number: 100399943203
Agricultural bank account number: 6228481739059615270

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炉料对 铸件质量因素有哪些

时间:2016-2-28 12:46:22 浏览量:747

铸造铸件|机床铸件|大型机 床铸件在实际生产中往往会碰到更换炉料后,虽然铁 液的主要化学成分不变,但铸铁 的组织石墨化程度白口倾向以及石墨形态甚至基体组织都会发生变化,炉料与 铸件组织之间的这种关系,习惯上 称为炉料的遗传性,属于遗 传性的问题并不少见,例如同样的配料成分,原生铁中石墨片粗大,则溶化 浇注后铸件组织也相应粗大,用白口原生铁配料时,即使补加较多硅铁,其白口 铁倾向仍较大同样的成分用不同产地和批次的原生铁溶化的铁液,其形成气孔,裂纹的 倾向也会有很大差异,消除炉 料遗传性的措施有两种,提高铁液的过热温度,用两种 以上的原生铁进行配料可减弱炉料的遗传性。


Casting castings | machine tool castings | large machine tool castings often encounter the change of furnace charge in actual production. Although the main chemical composition of molten iron remains unchanged, the whiteness of graphitization degree, graphite morphology and even matrix structure of cast iron will change. This relationship between furnace charge and casting structure is customarily called the heredity of furnace charge, which belongs to the hereditary problem. For example, if the graphite sheet in the primary iron is thick, the structure of the castings after melting and pouring is also coarse. Even if more ferrosilicon is added to the raw iron, the tendency of white iron to melt with the same composition from different origins and batches of primary iron will be quite different, and the tendency of cracking will be very different, thus eliminating the heredity of the burden. There are two measures to improve the superheated temperature of molten iron. The heredity of burden can be weakened by mixing more than two kinds of primary iron.


Company name: botou zhuoyuan mechanical equipment manufacturing co.,LTD
Registered address: jiaohe development zone, botou city, hebei province
Fax number: 0317-8031093
Contact information: 15369812793 (WeChat with the same number)  liansheng chu
Postcode: 062151
Enterprise email:1358827475@qq.com
Account Opening Bank: Botou Branch of Bank of China
Account number: 100399943203
Agricultural bank account number: 6228481739059615270

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